Home / 11,302.48-16,939.50-8,016.40

Finding the Fourth Proportional to 11,302.48, 16,939.50 and 8,016.40

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Solution

The fourth proportional to 11,302.48, 16,939.50 and 8,016.40 is: 12,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.48 : 16,939.50 = 8,016.40 : x
  2. Step 2: Convert to fraction form
    11,302.48/16,939.50 = 8,016.40/x
  3. Step 3: Cross multiply
    11,302.48x = 16,939.50 × 8,016.40
  4. Step 4: Simplify right side
    11,302.48x = 135,793,807.80
  5. Step 5: Solve for x
    x = 135,793,807.80/11,302.48
  6. Step 6: Final answer
    x = 12,014.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.